AirHint found the following cheapest one-way flights from Istanbul (IST) to Riyadh (RUH) in October 2025 (see full year).

One-Way flights

25 Oct	Pegasus Airlines	direct
13 Oct	Pegasus Airlines	direct
24 Oct	Pegasus Airlines	direct
20 Oct	AJet	direct
10 Oct	Pegasus Airlines	direct
17 Oct	Pegasus Airlines	direct
11 Oct	AJet	direct
26 Oct	Pegasus Airlines	direct
22 Oct	Pegasus Airlines	direct
04 Oct	Pegasus Airlines	direct

Also check the deals for return flights from Istanbul to Riyadh in October.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest one-way flights from Istanbul to Riyadh in October from $78

One-Way flights